Figure 6. A handmade acrylic chemical tank and plate dipper. (Silver nitrate sensitizing tanks may be made from either red cast acrylic sheet or, if made
from a transparent variety, encased in a lightproof wooden housing. The inclination of the tank should be 15-20 off vertical. This particular fixing tank has a black back and a transparent front in
order to reveal the ambrotype reversal as a plate on transparent glass is processed.